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The unstable gradient problem: The fundamental problem here isn't so much the vanishing gradient problem or the exploding gradient problem. It's that
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posted @ 2017-09-15 17:36
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计算机组成原理 http://media4.open.com.cn/L603/fushi/0903/jisuanjzcyl/web/lesson/char5/j5.htm 第五节 程序中断方式 一、中断的概念 计算机在执行程序的过程中,当出现异常情况或特殊请求时,计算机停止现行程序的运行,转向对这些
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posted @ 2017-09-15 17:00
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http://neuralnetworksanddeeplearning.com/chap4.html In essence, we're using our single-layer neural networks to build a lookup table for the function.
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posted @ 2017-09-15 14:15
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posted @ 2017-09-15 13:41
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posted @ 2017-09-15 12:31
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https://www.zhihu.com/question/31497611/answer/127719605 用线性变换跟随着非线性变化,将输入空间投向另一个空间。 物理语言映射:通过现有的不同的物质组合形成新物质。 http://cs.stanford.edu/people/karpathy/
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posted @ 2017-09-15 12:27
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posted @ 2017-09-15 12:18
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x [0,48] -1 (1,x1) (2,x2) (3,x3) 一个用MAC Address 标识信号; 要求:一个有效信号,只能在一个地理位置表现为最强信号。 最有效的特征值就是该位置有效的信号中,信号最强的那个。、、、、、、
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posted @ 2017-09-15 00:36
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term frequency–inverse document frequency
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posted @ 2017-09-14 23:25
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对于待定位位置的wifi信号列表,我们通过“全量计算”和通过“非全量计算”:选哪个?或者说,我们按一定规则,甚至随机地剔除若干信号再去计算,是否能更快更准确地给出结果? 知乎
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posted @ 2017-09-14 21:14
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posted @ 2017-09-14 18:02
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Yoshimasa Tsuruoka1,*, John McNaught1,2, Jun’ichi Tsujii1,2,3 and Sophia Ananiadou1,2 1 School of Computer Science, The University of Manchester, Manc
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posted @ 2017-09-14 16:38
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Kamol Kaemarungsi and Prashant Krishnamurthy Telecommunications Program School of Information Science. University of Pittsburgh 135 N. Bellefield Aven
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posted @ 2017-09-14 11:21
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Face verification remains a challenging problem in very complex conditions with large variations such as pose, illumination, expression, and occlusion
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posted @ 2017-09-14 09:41
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https://regauth.standards.ieee.org/standards-ra-web/pub/view.html#registries 34:96:72:3c:5d:d6mac 地址 16进制编码 ,6字节,[0,1,2,3,......,15*(16**1+16**0)]len(
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posted @ 2017-09-13 14:41
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posted @ 2017-09-13 10:57
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posted @ 2017-09-13 10:48
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Orthogonal Least Squares Learning Algorithm for Radial Basis Function Networks S. Chen, C. F. N. Cowan, and P. M. Grant
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posted @ 2017-09-13 10:07
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posted @ 2017-09-12 21:48
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Learning Textual Entailment using SVMs and String Similarity Measures http://delivery.acm.org/10.1145/1660000/1654547/p42-malakasiotis.pdf?ip=65.49.68
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posted @ 2017-09-12 21:31
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mac 字符串 与 基准字符串的 Levenshtein 距离,考虑 mac信号强度的时序性,60秒内若干次变化 不引入强度 mac字符串的唯一性 如何排序 基准字符串的选取 同一尺度 都按强度顺序排序
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posted @ 2017-09-12 16:06
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Welcome to Apache Maven Apache Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Ma
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posted @ 2017-09-11 16:56
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posted @ 2017-09-11 15:44
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甲问乙:你会吃什么水果呢? 乙问甲:你会吃什么水果呢? 甲回答乙:苹果,香蕉,汽车,飞机。 甲问乙:你会吃什么水果呢? 乙回答甲:飞机,汽车。
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posted @ 2017-09-10 19:34
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posted @ 2017-09-09 20:01
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json.dumps(i['bd_res'], ensure_ascii=False) import xlrd import time import sys import os import requests import sqlite3 import threading import math import csv import pprint import json from openpy...
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posted @ 2017-09-09 15:17
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def gen_file_data(fodir, fname, sheet_index=0, ): if fname.find('.xlsx') > -1: fname_open = '%s\\%s' % (fodir, fname) book = xlrd.open_workbook(fname_open, on_demand=True...
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posted @ 2017-09-09 14:10
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posted @ 2017-09-07 12:34
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posted @ 2017-09-05 19:38
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<0.5 统计学的知识 减少暴力计算的次数 指数平滑法 时间序列 对计算速度提升的贡献,目前,算法>硬件。
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posted @ 2017-09-05 01:23
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posted @ 2017-09-05 00:49
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https://en.wikipedia.org/wiki/Trace_(linear_algebra) In linear algebra, the trace of an n-by-n square matrix A is defined to be the sum of the element
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posted @ 2017-09-03 21:05
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小结: 1、相似矩阵提出动机、诞生背景:化繁为简。 AB对B施加线性变换A,但A较复杂 》変基,变B所在空间的基 》化简了A https://en.wikipedia.org/wiki/Matrix_similarity Similarity is an equivalence relation o
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posted @ 2017-09-03 20:14
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抽象 现象本质 线性变换总是在各种基之间变来变去 可整相似矩阵的特征多项式相等,进而证明特征值相同
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posted @ 2017-09-03 19:23
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posted @ 2017-09-03 18:49
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小结: 代表不同基下的相同的操作 相似矩阵 https://en.wikipedia.org/wiki/Matrix_similarity Similarity is an equivalence relation on the space of square matrices. Because m
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posted @ 2017-09-03 18:42
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python D:\pymine\clean\spider_map\get_uidapi_res.py 120 160 python D:\pymine\clean\spider_map\get_uidapi_res.py 80 120 python D:\pymine\clean\spider_m
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posted @ 2017-09-03 17:12
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大陆27个省级行政区片区数据-基于58同城二手房数据 【数据来源】http://www.58.com城市清单http://www.58.com/changecity.html【结果汇总】数目省自治区份数、城市数、行政区县数、58片区数、数据总条数:27、483、3751、9723、12676行政区县
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posted @ 2017-09-03 01:02
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http://www.szzlb.gov.cn/LEAPV5/czww_webmap/czww_fwbmcx
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posted @ 2017-09-02 18:28
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import sys import os import requests import threading from time import sleep from bs4 import BeautifulSoup curPath = os.path.abspath(os.path.dirname(__file__)) rootPath = os.path.spl...
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posted @ 2017-09-01 20:20
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